可持续性不是一种趋势,而是我们对后代的责任。
The dangerous man is the one who has only one idea, because then he'll fight and die for it.
真正的纪念碑不是建筑,而是它留下的记忆。
The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.